253305260342 has 4 divisors (see below), whose sum is σ = 379957890516. Its totient is φ = 126652630170.

The previous prime is 253305260291. The next prime is 253305260359. The reversal of 253305260342 is 243062503352.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63326315084 + ... + 63326315087.

It is an arithmetic number, because the mean of its divisors is an integer number (94989472629).

Almost surely, 2^253305260342 is an apocalyptic number.

253305260342 is a deficient number, since it is larger than the sum of its proper divisors (126652630174).

253305260342 is a wasteful number, since it uses less digits than its factorization.

253305260342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126652630173.

The product of its (nonzero) digits is 129600, while the sum is 35.

Adding to 253305260342 its reverse (243062503352), we get a palindrome (496367763694).

The spelling of 253305260342 in words is "two hundred fifty-three billion, three hundred five million, two hundred sixty thousand, three hundred forty-two".